From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA8C2C31E4A for ; Thu, 13 Jun 2019 15:17:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8477620B7C for ; Thu, 13 Jun 2019 15:17:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732708AbfFMPR0 (ORCPT ); Thu, 13 Jun 2019 11:17:26 -0400 Received: from mga05.intel.com ([192.55.52.43]:36291 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733088AbfFMPRU (ORCPT ); Thu, 13 Jun 2019 11:17:20 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Jun 2019 08:17:19 -0700 X-ExtLoop1: 1 Received: from bbouchn-mobl.ger.corp.intel.com (HELO localhost) ([10.252.35.22]) by orsmga004.jf.intel.com with ESMTP; 13 Jun 2019 08:17:15 -0700 Date: Thu, 13 Jun 2019 18:17:14 +0300 From: Jarkko Sakkinen To: Sumit Garg Cc: keyrings@vger.kernel.org, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, jens.wiklander@linaro.org, corbet@lwn.net, dhowells@redhat.com, jejb@linux.ibm.com, zohar@linux.ibm.com, jmorris@namei.org, serge@hallyn.com, ard.biesheuvel@linaro.org, daniel.thompson@linaro.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, tee-dev@lists.linaro.org Subject: Re: [RFC 1/7] tee: optee: allow kernel pages to register as shm Message-ID: <20190613151714.GC18488@linux.intel.com> References: <1560421833-27414-1-git-send-email-sumit.garg@linaro.org> <1560421833-27414-2-git-send-email-sumit.garg@linaro.org> <20190613151257.GA18488@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190613151257.GA18488@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: On Thu, Jun 13, 2019 at 06:12:57PM +0300, Jarkko Sakkinen wrote: > On Thu, Jun 13, 2019 at 04:00:27PM +0530, Sumit Garg wrote: > > Kernel pages are marked as normal type memory only so allow kernel pages > > to be registered as shared memory with OP-TEE. > > > > Signed-off-by: Sumit Garg > > Just out of pure interest why this was not allowed before? Please spare me and ignore that one :-) Obviouslly because it was not used. Acked-by: Jarkko Sakkinen /Jarkko